106 lines
2.6 KiB
LLVM
106 lines
2.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -instcombine -S < %s | FileCheck %s
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target datalayout = "p:64:64:64-i64:32:32"
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define i64* @test1(i8* %x) {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[A:%.*]] = bitcast i8* [[X:%.*]] to i64*
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; CHECK-NEXT: [[B:%.*]] = load i64, i64* [[A]], align 4
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; CHECK-NEXT: [[C:%.*]] = inttoptr i64 [[B]] to i64*
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; CHECK-NEXT: ret i64* [[C]]
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;
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entry:
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%a = bitcast i8* %x to i64*
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%b = load i64, i64* %a
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%c = inttoptr i64 %b to i64*
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ret i64* %c
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}
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define i32* @test2(i8* %x) {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[A:%.*]] = bitcast i8* [[X:%.*]] to i32*
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; CHECK-NEXT: [[B:%.*]] = load i32, i32* [[A]], align 4
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; CHECK-NEXT: [[TMP0:%.*]] = zext i32 [[B]] to i64
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; CHECK-NEXT: [[C:%.*]] = inttoptr i64 [[TMP0]] to i32*
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; CHECK-NEXT: ret i32* [[C]]
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;
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entry:
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%a = bitcast i8* %x to i32*
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%b = load i32, i32* %a
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%c = inttoptr i32 %b to i32*
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ret i32* %c
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}
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define i64* @test3(i8* %x) {
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[A:%.*]] = bitcast i8* [[X:%.*]] to i32*
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; CHECK-NEXT: [[B:%.*]] = load i32, i32* [[A]], align 4
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; CHECK-NEXT: [[TMP0:%.*]] = zext i32 [[B]] to i64
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; CHECK-NEXT: [[C:%.*]] = inttoptr i64 [[TMP0]] to i64*
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; CHECK-NEXT: ret i64* [[C]]
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;
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entry:
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%a = bitcast i8* %x to i32*
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%b = load i32, i32* %a
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%c = inttoptr i32 %b to i64*
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ret i64* %c
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}
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define i64 @test4(i8* %x) {
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; CHECK-LABEL: @test4(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[A:%.*]] = bitcast i8* [[X:%.*]] to i64**
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; CHECK-NEXT: [[B:%.*]] = load i64*, i64** [[A]], align 8
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; CHECK-NEXT: [[C:%.*]] = ptrtoint i64* [[B]] to i64
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; CHECK-NEXT: ret i64 [[C]]
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;
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entry:
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%a = bitcast i8* %x to i64**
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%b = load i64*, i64** %a
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%c = ptrtoint i64* %b to i64
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ret i64 %c
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}
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define i32 @test5(i8* %x) {
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; CHECK-LABEL: @test5(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[A:%.*]] = bitcast i8* [[X:%.*]] to i32**
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; CHECK-NEXT: [[B:%.*]] = load i32*, i32** [[A]], align 8
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; CHECK-NEXT: [[TMP0:%.*]] = ptrtoint i32* [[B]] to i64
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; CHECK-NEXT: [[C:%.*]] = trunc i64 [[TMP0]] to i32
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; CHECK-NEXT: ret i32 [[C]]
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;
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entry:
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%a = bitcast i8* %x to i32**
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%b = load i32*, i32** %a
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%c = ptrtoint i32* %b to i32
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ret i32 %c
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}
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define i64 @test6(i8* %x) {
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; CHECK-LABEL: @test6(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[A:%.*]] = bitcast i8* [[X:%.*]] to i32**
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; CHECK-NEXT: [[B:%.*]] = load i32*, i32** [[A]], align 8
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; CHECK-NEXT: [[C:%.*]] = ptrtoint i32* [[B]] to i64
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; CHECK-NEXT: ret i64 [[C]]
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;
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entry:
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%a = bitcast i8* %x to i32**
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%b = load i32*, i32** %a
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%c = ptrtoint i32* %b to i64
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ret i64 %c
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}
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